Updates from the 90th TC39 meeting

• proposal-faster-promise-adoption

  1 45 4.1 HTML

  Reduce the number of microtask ticks required to adopt the state of a promise

  

Symbols as WeakMap keys: Permit Symbols as keys in WeakMaps, entries in WeakSets and WeakRefs, and registered in FinalizationRegistries

• proposal-string-dedent

  5 605 4.1 HTML

  TC39 Proposal to remove common leading indentation from multiline template strings

  

String.dedent: For multi-backtick templates with automatic margin stripping.

• InfluxDB

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  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• proposal-json-parse-with-source

  2 206 5.5 HTML

  Proposal for extending JSON.parse to expose input source text.

  

JSON.parse source text access: Extending JSON.parse to expose input source text.

• proposal-duplicate-named-capturing-groups

  1 23 1.1

  TC39 proposal to allow regex capturing group names to be repeated

  

Duplicate named capture groups:Allow regex capturing group names to be repeated.

• proposal-regexp-atomic-operators

  2 11 1.8 JavaScript
  

RegExp Atomic Operators: Syntax to regular expressions to control backtracking in certain scenarios by treating certain portions of a pattern as "atomic", where backtracking information specific to that portion of the pattern is discarded when it matches successfully.

• proposal-source-phase-imports

  5 125 5.7 HTML

  Proposal to enable importing modules at the source phase

  

Import Reflection: Syntax to import ES modules with import reflection attributes.

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